Researchers explore a tunnel in Teotihuacan last accessed 1,800 years ago. April 28, 2013— -- Mexican archeologists discovered three previously unknown chambers under a pyramid in Teotihuacan, an ...

Gregg Landry, an engineer from the Boston firm of iRobot, places a robot inside the shaft of the Great Pyramid in Cairo, Egypt, on Friday. CAIRO, Egypt -- A robot the size and shape of a child's toy ...

CAIRO, Egypt - A robot the size and shape of a child's toy train is exploring one of the enduring questions of Egypt's Great Pyramid: What lies at the end of a shaft first discovered by explorers in ...

CAIRO, Egypt -- A robot the size and shape of a child's toy train is exploring one of the enduring questions of Egypt's Great Pyramid: What lies at the end of a shaft first discovered by explorers in ...

A project led by engineers from the University of Leeds has uncovered a hidden chamber deep inside Egypt’s Great Pyramid of Giza, offering rare insight into the pyramid’s construction and purpose. The ...